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Difference Between Different Checks  
User currently offlineJunior1970 From United States of America, joined Dec 2004, 156 posts, RR: 0
Posted (11 years 2 months 2 days 16 hours ago) and read 2725 times:

What's the difference between all the checks that airplanse go through. I know that at a D-check the plane is being stripped from its paint and that every single bolt is checked.
How long do the different checks usually take ?

Thanks for your input.

2 replies: All unread, jump to last
User currently offlineVS045 From United Kingdom, joined Oct 2004, 192 posts, RR: 1
Reply 1, posted (11 years 2 months 2 days 9 hours ago) and read 2689 times:

I really wish someone would answer this - cos it has been bugging me for a while too!


4 engines 4 long haul
User currently offlineDALMD88 From United States of America, joined Jul 2000, 2889 posts, RR: 14
Reply 2, posted (11 years 2 months 2 days 3 hours ago) and read 2650 times:

It can vary by the airlines approved program. I know Delta's programs vary by aircraft type. I work on the MD88 HMV line. Our 88's fly for six years between heavy checks. They only get a overnight visits for basicly lube jobs between heavy checks. The heavy check lasts about a month, and no the plane does not get stripped of paint. It is a very detailed inspection of the airplane though. All areas get looked at for corrosion and structural defects. It is also a good time to do any extensive mods on the plane, like adding a hud system or changing the interior.

Other types, like the 737-800 only get PSV checks. These checks are only a few days long and spread the heavy check items out over the same six years. Our 767/757 fleet get a hybrid of the two.

Go over to the Tech/Ops board and do a search. This topic has been covered over there in a lot more depth.

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